Published on 10. May 2016 Largest global shark biomass found in the northern Galápagos Islands of Darwin and Wolf Pelayo Salinas de León, David Acuña-Marrero, Etienne Rastoin, Alan M. Friedlander, Mary K. Donovan, Enric Sala ABSTRACT: Overfishing has dramatically depleted sharks and other large predatory fishes worldwide except for a few remote and/or well-protected areas.